YUAN, F.; KHAOWBANPAEW, K. Learning Chinese Phonetics System online by Using “echo method”: A Case Study of Mae Fah Luang University. Journal of Sinology (วารสารจีนวิทยา), [S. l.], v. 17, n. 1, p. 22–33, 2023. Disponível em: https://so16.tci-thaijo.org/index.php/JSINO/article/view/3003. Acesso em: 2 oct. 2026.